Chapter 2
Installing Line Cards in the Cisco ASR 9000 Series Router
QSFP+ 38-Pin Connector Specifications
Table 2-7
Table 2-7
QSFP+ 38-Pin Connector Specifications
Pin
Signal
1
GND
2
TX2n
3
TX2p
4
GND
5
TX4n
6
TX4p
7
GND
8
ModSelL
9
LPMode_Reset
10
VccRx
QSFP+ Transceiver Optical Transmit and Receive Specifications
Table 2-8
Table 2-8
QSFP+ Transceiver Optical Transmit and Receive Specifications
QSFP+ Product Number Transceiver Operating Mode
QSFP-40G-SR4=
QSFP-40G-LR4=
QSFP-40GE-LR4=
lists the 40GE optical QSFP+ 38-pin connector pinouts.
Pin
Signal
11
SCL
12
SDA
13
GND
14
RX3p
15
RX3n
16
GND
17
RX1p
18
RX1n
19
GND
20
GND
lists the QSFP+ transceiver modules optical transmit and receive specifications.
40GBASE-SR4, 4 lanes,
850 nm
40GBASE-LR4 and OTU3
40GBASE-LR4
Cisco ASR 9000 Series Aggregation Services Router Ethernet Line Card Installation Guide
Cisco 40-Gigabit QSFP+ Transceiver Modules Installation
Pin
Signal
21
RX2n
22
RX2p
23
GND
24
RX4n
25
RX4p
26
GND
27
ModPrsL
28
IntL
29
VccTx
30
Vcc1
Transmit Power
Receive Power
(dBm)
(dBm)
1 per lane
2.4 per lane
(Max)
(Max)
–7.6 per lane
–9.5 per lane
(Min)
(Min)
2.3 per lane
2.3 per lane
(Max)
(Max)
–7 per lane
–13.7 per lane
(Min)
(Min)
2.3 per lane
2.3 per lane
(Max)
(Max)
–7 per lane
–13.7 per lane
(Min)
(Min)
Pin
Signal
31
Reserved
32
GND
33
TX3p
34
TX3n
35
GND
36
TX1p
37
TX1n
38
GND
Transmit and Receive
Wavelength (nm)
850 nm on each lane
Four wavelengths
1271,
1291,
1311
1331
Four wavelengths
1271,
1291,
1311
1331
2-53